Home / 423,438.17-584,345.24-229,845.76

Finding the Fourth Proportional to 423,438.17, 584,345.24 and 229,845.76

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Solution

The fourth proportional to 423,438.17, 584,345.24 and 229,845.76 is: 317,187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,438.17 : 584,345.24 = 229,845.76 : x
  2. Step 2: Convert to fraction form
    423,438.17/584,345.24 = 229,845.76/x
  3. Step 3: Cross multiply
    423,438.17x = 584,345.24 × 229,845.76
  4. Step 4: Simplify right side
    423,438.17x = 134,309,275,790.18
  5. Step 5: Solve for x
    x = 134,309,275,790.18/423,438.17
  6. Step 6: Final answer
    x = 317,187.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.